Question Discussion & Solution

Statement 1 and 2: correct

• OS allows the computer to manage its own resource such as memory, keyboard and printer

Statement 3: correct

• OS provides the user an easy to work user interface, so the user doesn’t have to learn a different UI every time.

Statement 4: correct

The Correct answer is Jairaj- Udaipur.

Key Points

Some of the major peaks of Southern Aravali:

The correct answer is Magnesium Sulfate.

• Magnesium Sulfate is the industrial name of Epsom.
• Magnesium sulfate is a magnesium salt having sulfate as the counterion.
• It has a role as an anticonvulsant, a cardiovascular drug, a calcium channel blocker, an anaesthetic, a tocolytic agent, an anti-arrhythmia drug, an analgesic, and a fertilizer. It is a magnesium salt and a metal sulfate.

Key Points

• Magnesium Sulfate Formula Structure:  

Additional Information

The Correct Answer is Option 1 i.e Baking powder.

• Baking powder:
  • Baking powder is a mixture of baking soda and tartaric acid .
  • Tartaric acid has been added to baking powder to neutralize the bitterness produced by sodium bicarbonate (NaHCO₃) .
• Baking soda:
  • It is commonly known as sodium bicarbonate.
  • Sodium bicarbonate is a white crystalline solid.
  • It is used in baking products like cakes, cookies etc.
• Washing Soda:
  • It is commonly known as Na2CO3 or sodium carbonate.
  • It is used in softening of hard water.
  • It is commonly used as a cleaning agent for domestic purposes.It is also used in the manufacturing of paper, soap, textiles, paints, etc.
• Vinegar:
  • Vinegar is produced from fermentation of alcohol.
  • Vinegar is the natural source for acetic acid.
  • It is widely used as a flavouring agent in most of the cuisines.

The correct answer is Yamuna River System.

Key Points

• The Betwa is a tributary of the Yamuna River.
• It originates in the Vindhya Range in Madhya Pradesh and flows through Orchha (Madhya Pradesh) before reaching Uttar Pradesh.
• It joins the Yamuna River near Hamirpur after traveling 590 kilometers.
• The Betwa River has two major tributaries: the Halali and Dhasan Rivers.
• The Yamuna river is a major tributary of the river Ganges, it originates from the Yamunotri glacier near the Banderpoonch peaks of the lower Himalayas.
• It travels a total length of 1,376 kilometers and merges with the Ganges at Triveni Sangam, Prayagraj (Allahabad).
• Tons, Hindon, Ken, Betwa, Chambal rivers are some of its tributaries.

Additional Information

• Ganga River System:
  • The Ganga (the Padma in Bangladesh) forms by the confluence of Alakhnanda and Bhagirathi at Devprayag.
  • Bhagirathi originates from Gangotri glacier and Alakhnanda originates from Satopanth glacier.
  • The total length of the Ganga river is 2525 km.
  • Some of the tributaries of Ganga are the Yamuna, the Ramganga, the Gomati, the Ghaghara, the Gandak, the Kosi and the Mahanada.
• Narmada:
  • The Narmada is the largest west-flowing river in India.
  • It rises near the Amarkantak range of mountains in Madhya Pradesh.
  • It is the fifth-largest river in the country.
  • The total length of the river is 1312 kilometers.
  • The Sher, the Dudhi, the Tawa (biggest tributary), the Ganjal, the Hiran, the Barna, the Choral, and the Lohar are some of the tributaries of the Narmada river.
• Tapti:
  • Tapti River is one of the major rivers of peninsular India.
  • Its total length is 724 km.
  • The Tapti river source of origin lies in Multai, in the Betul district of Madhya Pradesh.
  • Vaki, Gomai, Arunavati, Aner, Panjhra, Bori, and Girna are some of the tributaries.